LocalStorageDatabaseTracker.h [plain text]
#pragma once
#include <WebCore/SecurityOriginData.h>
#include <wtf/Markable.h>
#include <wtf/RefCounted.h>
#include <wtf/WallTime.h>
#include <wtf/WorkQueue.h>
#include <wtf/text/WTFString.h>
namespace WebKit {
class LocalStorageDatabaseTracker : public RefCounted<LocalStorageDatabaseTracker> {
public:
static Ref<LocalStorageDatabaseTracker> create(String&& localStorageDirectory);
~LocalStorageDatabaseTracker();
String databasePath(const WebCore::SecurityOriginData&) const;
void didOpenDatabaseWithOrigin(const WebCore::SecurityOriginData&);
void deleteDatabaseWithOrigin(const WebCore::SecurityOriginData&);
void deleteAllDatabases();
Vector<WebCore::SecurityOriginData> databasesModifiedSince(WallTime);
Vector<WebCore::SecurityOriginData> origins() const;
struct OriginDetails {
String originIdentifier;
Optional<WallTime> creationTime;
Optional<WallTime> modificationTime;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<OriginDetails> decode(Decoder&);
OriginDetails isolatedCopy() const { return { originIdentifier.isolatedCopy(), creationTime, modificationTime }; }
};
Vector<OriginDetails> originDetailsCrossThreadCopy();
private:
LocalStorageDatabaseTracker(String&& localStorageDirectory);
String databasePath(const String& filename) const;
String localStorageDirectory() const;
enum DatabaseOpeningStrategy {
CreateIfNonExistent,
SkipIfNonExistent
};
const String m_localStorageDirectory;
#if PLATFORM(IOS_FAMILY)
void platformMaybeExcludeFromBackup() const;
mutable bool m_hasExcludedFromBackup { false };
#endif
};
template<class Encoder>
void LocalStorageDatabaseTracker::OriginDetails::encode(Encoder& encoder) const
{
encoder << originIdentifier << creationTime << modificationTime;
}
template<class Decoder>
Optional<LocalStorageDatabaseTracker::OriginDetails> LocalStorageDatabaseTracker::OriginDetails::decode(Decoder& decoder)
{
LocalStorageDatabaseTracker::OriginDetails result;
if (!decoder.decode(result.originIdentifier))
return WTF::nullopt;
if (!decoder.decode(result.creationTime))
return WTF::nullopt;
if (!decoder.decode(result.modificationTime))
return WTF::nullopt;
return result;
}
}